After years of unsuccessfully pushing its almost-here software-defined Icera LTE modem, NVIDIA officially announced yesterday that the Icera unit, which it acquired in 2011, would be shutting down. The fate of the 500 employees working on Icera projects at NVIDIA was not announced, but may be in NVIDIA's quarterly earnings call tomorrow.

As recently as two years ago, NVIDIA was still pushing the Icera i500 LTE modem solution as part of its Phoenix Tegra 4i reference design phone platform, which saw adoption that could be counted on a single hand (OK, if the hand had six fingers). I believe ZTE, Xiaomi, and Coolpad were actually the only full-on Tegra 4 phone partners, each with a single, limited-run 3G phone that didn't even use Icera modems.

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